package com.yj.smarthome.test;

/*
 * Shell example snippet: create a splash screen
 *
 * For a list of all SWT example snippets see
 * http://www.eclipse.org/swt/snippets/
 */
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.layout.FormAttachment;
import org.eclipse.swt.layout.FormData;
import org.eclipse.swt.layout.FormLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.ProgressBar;
import org.eclipse.swt.widgets.Shell;

public class Snippet104 {

	public static void main(String[] args) {
		final Display display = new Display();
		final int[] count = new int[] { 4 };
		final Image image = new Image(display, 300, 300);
		GC gc = new GC(image);
		gc.setBackground(display.getSystemColor(SWT.COLOR_CYAN));
		gc.fillRectangle(image.getBounds());
		gc.drawText("Splash Screen", 10, 10);
		gc.dispose();
		final Shell splash = new Shell(SWT.ON_TOP);
		final ProgressBar bar = new ProgressBar(splash, SWT.NONE);
		bar.setMaximum(count[0]);
		Label label = new Label(splash, SWT.NONE);
		label.setImage(image);
		FormLayout layout = new FormLayout();
		splash.setLayout(layout);
		FormData labelData = new FormData();
		labelData.right = new FormAttachment(100, 0);
		labelData.bottom = new FormAttachment(100, 0);
		label.setLayoutData(labelData);
		FormData progressData = new FormData();
		progressData.left = new FormAttachment(0, 5);
		progressData.right = new FormAttachment(100, -5);
		progressData.bottom = new FormAttachment(100, -5);
		bar.setLayoutData(progressData);
		splash.pack();
		Rectangle splashRect = splash.getBounds();
		Rectangle displayRect = display.getBounds();
		int x = (displayRect.width - splashRect.width) / 2;
		int y = (displayRect.height - splashRect.height) / 2;
		splash.setLocation(x, y);
		splash.open();
		display.asyncExec(new Runnable() {
			public void run() {
				Shell[] shells = new Shell[count[0]];
				for (int i = 0; i < count[0]; i++) {
					shells[i] = new Shell(display);
					shells[i].setSize(300, 300);
					shells[i].addListener(SWT.Close, new Listener() {
						public void handleEvent(Event e) {
							--count[0];
						}
					});
					bar.setSelection(i + 1);
					try {
						Thread.sleep(1000);
					} catch (Throwable e) {
					}
				}
				splash.close();
				image.dispose();
				for (int i = 0; i < count[0]; i++) {
					shells[i].open();
				}
			}
		});
		while (count[0] != 0) {
			if (!display.readAndDispatch())
				display.sleep();
		}
		display.dispose();
	}

}